St Charles Weather Forecast
- 41
- 60
Mostly Cloudy
- 43
- 60
Rain Showers Likely
- 45
- 59
Rain Showers Likely
- 46
- 71
Partly Sunny
- 52
- 80
Mostly Sunny
- 55
- 85
Mostly Sunny
Today 20 May Cuming
Partly sunny this Morning, then becoming cloudy. Areas of frost this morning. Highs around 60. Southeast Winds 5 to 10 Mph.
Tonight 20 May Cuming
Mostly cloudy. Lows in the lower 40s. East Winds 5 to 10 Mph.
St Charles Temperature Statistics
May Temperature
Fremont Municipal Airport (26.1 miles)
Lowest 2 May, 2026
30.2 °FAverage May
61.4 °FHighest 15 May, 2026
91.9 °F
Climate (2021–Present)
Fremont Municipal Airport (26.1 miles)
Average Low 2021–2026
42.5 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
65 °F